Home / 39,939.14-55,115.64-22,034.30

Finding the Fourth Proportional to 39,939.14, 55,115.64 and 22,034.30

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Solution

The fourth proportional to 39,939.14, 55,115.64 and 22,034.30 is: 30,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.14 : 55,115.64 = 22,034.30 : x
  2. Step 2: Convert to fraction form
    39,939.14/55,115.64 = 22,034.30/x
  3. Step 3: Cross multiply
    39,939.14x = 55,115.64 × 22,034.30
  4. Step 4: Simplify right side
    39,939.14x = 1,214,434,270.87
  5. Step 5: Solve for x
    x = 1,214,434,270.87/39,939.14
  6. Step 6: Final answer
    x = 30,407.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.